Mercurial > fife-parpg

annotate engine/core/video/opengl/glimage.cpp @ 621:356634098bd9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
* Removed the image chunking size variable from engine settings. * Replaced the existing define of PI and added some math related static const variables
author prock@33b003aa-7bff-0310-803a-e67f0ece8222
date Fri, 01 Oct 2010 14:09:47 +0000
parents 853d25234671
children 92290efadab7
rev   line source
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
1 /***************************************************************************
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
2 * Copyright (C) 2005-2008 by the FIFE team *
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
3 * http://www.fifengine.de *
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
4 * This file is part of FIFE. *
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
5 * *
46
90005975cdbb * Final LGPL switch step by adjusting the file headers
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 0
diff changeset
6 * FIFE is free software; you can redistribute it and/or *
90005975cdbb * Final LGPL switch step by adjusting the file headers
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 0
diff changeset
7 * modify it under the terms of the GNU Lesser General Public *
90005975cdbb * Final LGPL switch step by adjusting the file headers
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 0
diff changeset
8 * License as published by the Free Software Foundation; either *
90005975cdbb * Final LGPL switch step by adjusting the file headers
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 0
diff changeset
9 * version 2.1 of the License, or (at your option) any later version. *
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
10 * *
46
90005975cdbb * Final LGPL switch step by adjusting the file headers
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 0
diff changeset
11 * This library is distributed in the hope that it will be useful, *
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
46
90005975cdbb * Final LGPL switch step by adjusting the file headers
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 0
diff changeset
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
90005975cdbb * Final LGPL switch step by adjusting the file headers
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 0
diff changeset
14 * Lesser General Public License for more details. *
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
15 * *
46
90005975cdbb * Final LGPL switch step by adjusting the file headers
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 0
diff changeset
16 * You should have received a copy of the GNU Lesser General Public *
90005975cdbb * Final LGPL switch step by adjusting the file headers
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 0
diff changeset
17 * License along with this library; if not, write to the *
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
18 * Free Software Foundation, Inc., *
46
90005975cdbb * Final LGPL switch step by adjusting the file headers
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 0
diff changeset
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
20 ***************************************************************************/
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
21
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
22 // Standard C++ library includes
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
23 #include <cassert>
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
24 #include <iostream>
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
25 // 3rd party library includes
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
26
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
27 // FIFE includes
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
28 // These includes are split up in two parts, separated by one empty line
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
29 // First block: files included from the FIFE root src directory
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
30 // Second block: files included from the same folder
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
31 #include "util/structures/rect.h"
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
32 #include "video/sdl/sdlimage.h"
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
33 #include "video/renderbackend.h"
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
34
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
35 #include "glimage.h"
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
36
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
37 namespace FIFE {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
38 GLImage::GLImage(SDL_Surface* surface):
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
39 Image(surface) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
40 m_sdlimage = new SDLImage(surface);
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
41
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
42 m_textureids = NULL;
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
43
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
44 resetGlimage();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
45 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
46
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
47 GLImage::GLImage(const uint8_t* data, unsigned int width, unsigned int height):
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
48 Image(data, width, height) {
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
49
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
50 m_textureids = NULL;
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
51
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
52 resetGlimage();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
53 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
54
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
55 GLImage::~GLImage() {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
56 // remove surface so that deletion happens correctly (by base class destructor)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
57 m_sdlimage->detachSurface();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
58 delete m_sdlimage;
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
59
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
60 cleanup();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
61 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
62
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
63 void GLImage::resetGlimage() {
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
64 cleanup();
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
65
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
66 m_chunk_size = 0;
425
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 263
diff changeset
67 m_colorkey = RenderBackend::instance()->getColorKey();
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
68 }
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
69
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
70 void GLImage::cleanup() {
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
71 if (m_textureids) {
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
72 glDeleteTextures(1, &m_textureids[0]);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
73
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
74 delete[] m_textureids;
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
75 m_textureids = NULL;
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
76 }
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
77
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
78 m_col_tex_coord = 0;
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
79 m_row_tex_coord = 0;
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
80 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
81
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
82 void GLImage::render(const Rect& rect, SDL_Surface* screen, unsigned char alpha) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
83 if (!m_textureids) {
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
84 generateGLTexture();
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
85 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
86
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
87 //not on the screen. dont render
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
88 if (rect.right() < 0 || rect.x > static_cast<int>(screen->w) || rect.bottom() < 0 || rect.y > static_cast<int>(screen->h)) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
89 return;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
90 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
91
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
92 //completely transparent so dont bother rendering
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
93 if (0 == alpha) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
94 return;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
95 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
96
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
97 // the amount of "zooming" for the image
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
98 float scale_x = static_cast<float>(rect.w) / static_cast<float>(m_surface->w);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
99 float scale_y = static_cast<float>(rect.h) / static_cast<float>(m_surface->h);
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
100
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
101 // apply the scale to the width and height of the image
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
102 uint16_t w = static_cast<int>(round(scale_x*m_surface->w));
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
103 uint16_t h = static_cast<int>(round(scale_y*m_surface->h));
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
104
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
105 /// setting transparency for the whole primitive:
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
106 glColor4ub( 255, 255, 255, alpha );
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
107
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
108 GLEnable flag(GL_TEXTURE_2D);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
109 glBindTexture(GL_TEXTURE_2D, m_textureids[0]);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
110
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
111 glBegin(GL_QUADS);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
112 glTexCoord2f(0.0f, 0.0f);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
113 glVertex2i(rect.x, rect.y);
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
114
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
115 glTexCoord2f(0.0f, m_row_tex_coord);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
116 glVertex2i(rect.x, rect.y + h);
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
117
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
118 glTexCoord2f(m_col_tex_coord, m_row_tex_coord);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
119 glVertex2i(rect.x + w, rect.y + h);
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
120
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
121 glTexCoord2f(m_col_tex_coord, 0.0f);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
122 glVertex2i(rect.x + w, rect.y);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
123 glEnd();
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
124
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
125 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
126
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
127 void GLImage::generateGLTexture() {
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
128 const unsigned int width = m_surface->w;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
129 const unsigned int height = m_surface->h;
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
130
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
131 uint32_t size;
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
132
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
133 if (width > height){
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
134 size = width;
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
135 }
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
136 else {
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
137 size = height;
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
138 }
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
139
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
140 //calculate the nearest larger power of 2
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
141 m_chunk_size = nextPow2(size);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
142
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
143 // used to calculate the fill ratio for given chunk
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
144 m_col_tex_coord = static_cast<float>(m_surface->w%m_chunk_size) / static_cast<float>(m_chunk_size);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
145 m_row_tex_coord = static_cast<float>(m_surface->h%m_chunk_size) / static_cast<float>(m_chunk_size);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
146
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
147 if (m_col_tex_coord == 0.0f){
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
148 m_col_tex_coord = 1.0f;
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
149 }
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
150
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
151 if (m_row_tex_coord == 0.0f){
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
152 m_row_tex_coord = 1.0f;
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
153 }
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
154
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
155 uint8_t* data = static_cast<uint8_t*>(m_surface->pixels);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
156 int pitch = m_surface->pitch;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
157
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
158
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
159 assert(!m_textureids);
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
160
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
161 m_textureids = new GLuint[1];
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
162 memset(m_textureids, 0x00, 1*sizeof(GLuint));
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
163
263
10e0687a4cec Fixed a bug in the OpenGl renderer where the last chunk of images would not be displayed when image_height % chunk_size was 0.
cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 46
diff changeset
164
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
165 uint32_t* oglbuffer = new uint32_t[m_chunk_size * m_chunk_size];
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
166 memset(oglbuffer, 0x00, m_chunk_size*m_chunk_size*sizeof(uint32_t));
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
167
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
168 for (unsigned int y = 0; y < height; ++y) {
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
169 for (unsigned int x = 0; x < width; ++x) {
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
170 unsigned int pos = (y * pitch) + (x * 4);
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
171
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
172 uint8_t r = data[pos + 3];
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
173 uint8_t g = data[pos + 2];
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
174 uint8_t b = data[pos + 1];
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
175 uint8_t a = data[pos + 0];
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
176
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
177 if (RenderBackend::instance()->isColorKeyEnabled()) {
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
178 // only set alpha to zero if colorkey feature is enabled
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
179 if (r == m_colorkey.r && g == m_colorkey.g && b == m_colorkey.b) {
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
180 a = 0;
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
181 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
182 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
183
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
184 oglbuffer[(y*m_chunk_size) + x] = r | (g << 8) | (b << 16) | (a<<24);
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
185 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
186 }
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
187
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
188 // get texture id from opengl
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
189 glGenTextures(1, &m_textureids[0]);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
190 // set focus on that texture
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
191 glBindTexture(GL_TEXTURE_2D, m_textureids[0]);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
192 // set filters for texture
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
193 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
194 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
195 // transfer data from sdl buffer
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
196 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, m_chunk_size, m_chunk_size, 0, GL_RGBA, GL_UNSIGNED_BYTE, static_cast<GLvoid*>(oglbuffer));
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
197
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
198 delete[] oglbuffer;
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
199 }
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
200
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
201 void GLImage::saveImage(const std::string& filename) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
202 const unsigned int swidth = getWidth();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
203 const unsigned int sheight = getHeight();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
204 SDL_Surface *surface = NULL;
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
205 uint8_t *pixels;
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
206
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
207 surface = SDL_CreateRGBSurface(SDL_SWSURFACE, swidth,
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
208 sheight, 24,
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
209 RMASK,GMASK,BMASK, NULLMASK);
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
210
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
211 if(surface == NULL) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
212 return;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
213 }
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
214
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
215 SDL_LockSurface(surface);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
216 pixels = new uint8_t[swidth * sheight * 3];
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
217 glReadPixels(0, 0, swidth, sheight, GL_RGB, GL_UNSIGNED_BYTE, reinterpret_cast<GLvoid*>(pixels));
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
218
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
219 uint8_t *imagepixels = reinterpret_cast<uint8_t*>(surface->pixels);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
220 // Copy the "reversed_image" memory to the "image" memory
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
221 for (int y = (sheight - 1); y >= 0; --y) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
222 uint8_t *rowbegin = pixels + y * swidth * 3;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
223 uint8_t *rowend = rowbegin + swidth * 3;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
224
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
225 std::copy(rowbegin, rowend, imagepixels);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
226
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
227 // Advance a row in the output surface.
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
228 imagepixels += surface->pitch;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
229 }
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
230
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
231 SDL_UnlockSurface(surface);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
232 saveAsPng(filename, *surface);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
233 SDL_FreeSurface(surface);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
234 delete [] pixels;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
235 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
236
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
237 void GLImage::setClipArea(const Rect& cliparea, bool clear) {
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
238 glScissor(cliparea.x, getHeight() - cliparea.y - cliparea.h, cliparea.w, cliparea.h);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
239
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
240 if (clear) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
241 glClear(GL_COLOR_BUFFER_BIT);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
242 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
243 }
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
244
583
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
245 bool GLImage::putPixel(int x, int y, int r, int g, int b, int a) {
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
246 cleanup();
583
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
247 return m_sdlimage->putPixel(x, y, r, g, b, a);
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
248 }
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
249
583
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
250 void GLImage::drawLine(const Point& p1, const Point& p2, int r, int g, int b, int a) {
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
251 cleanup();
583
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
252 m_sdlimage->drawLine(p1, p2, r, g, b, a);
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
253 }
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
254
583
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
255 void GLImage::drawTriangle(const Point& p1, const Point& p2, const Point& p3, int r, int g, int b, int a) {
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
256 cleanup();
583
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
257 m_sdlimage->drawTriangle(p1, p2, p3, r, g, b, a);
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
258 }
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
259
583
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
260 void GLImage::drawQuad(const Point& p1, const Point& p2, const Point& p3, const Point& p4, int r, int g, int b, int a) {
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
261 cleanup();
583
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
262 m_sdlimage->drawQuad(p1, p2, p3, p4, r, g, b, a);
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
263 }
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
264
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
265 void GLImage::drawVertex(const Point& p, const uint8_t size, int r, int g, int b, int a) {
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
266 cleanup();
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
267 m_sdlimage->drawVertex(p, size, r, g, b, a);
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
268 }
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
269 }